At the end of 2018, Java Magazine published the results of a survey of 10,500 Java developers. According to this survey, 45% of Java developers use some version of IntelliJ IDEA, while only 38% use Eclipse. Said differently, for every 10 Eclipse users, there are 12 IntelliJ IDEA users, or 12 of 22 (55%) choose IntelliJ IDEA over Eclipse. Continue Reading »

You may have noticed that there is no difference in size between an h1 heading and h2 heading within an article or section element. That’s weird. In this article, I’ll explain why it is, and the W3C recommendation.

TL;DR

Only use a procedure when a function won’t do the job.

Oracle has been around so long and so many questions have been asked and answered in so many different ways that it can be difficult to find a definitive answer, especially to a best-practices type question like this one.

There are dozens of pages and blog posts explaining the basic differences between PL/SQL functions and procedures:

Functions return a value. Procedures don’t.

Functions are callable (with some restrictions) from within standard SQL statements. Procedures aren’t.

For a new PHP course I’m working on, I created a poetry website. For the manual, I needed to create an ER diagram for the MySQL database on a Mac. I found the following options, both of which are free: Continue Reading »